To provide a common combine harvester in which various devices are compactly assembled and which improves the efficiency of works.

This common combine harvester is characterized by concentratedly disposing various hydraulic devices (170) for lifting or lowering a reaping section (18) and the like at positions on the right side of a feeder house (21), disposing the right and left covers (151, 153) on the right and left outsides of a threshing section (4) in a state capable of being upward freely opened on upper support shafts (155) (156), disposing an engine (12) above the rear side of the threshing section (4), and disposing a vertical discharging auger (149) for taking out grains in a grain tank (8) on the right outside of the grain tank (8) in the front of the engine (12).